Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Take one out and scratch my head, I am now black but once was red. What am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

If an electric train is travelling south, then which way is the smoke going?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?